OpenTechnical

OT-2026-000050437

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000050437) never changes.

Identity and time

Publication numberOT-2026-000050437 · never reused
Internal UUID01a0ae82-5c48-74ea-81f6-fb5862f30c7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050437
StatusPUBLIC

Content hashes

Canonical textb1529c618a5d16cc08ce19940f021477f11684f4249e0e1bab426cf594937511
Markdown7456c8813fc1aead6695e178374e745da62483bd3b41198c9e87e8752bec4379
PDF
Publication page7006e48c6e2c459ec862d74daef288c2d26633c7eb41cc2134056f43cc53faea
Manifeste0ebcf13a8bd6be053dae2007d4341636263526f1b84c5cccc41423ae48f0557

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureXJXS2P1q6IldZG9dT5v2PW2ZhUAPFpFIC9ClU9S6OMZmIZud9YbxFxEv7T17a53T2PrDW/SDG/13AvBqFOScAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:29.028985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050437
observed 7006e48c6e2c459ec862d74daef288c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.010481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050437/manifest.json
observed e0ebcf13a8bd6be053dae2007d434163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.993917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050437/publication.md
observed 7456c8813fc1aead6695e178374e745d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.978136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050437/publication.txt
observed b1529c618a5d16cc08ce19940f021477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.